DrSocalkwe3n/luajit
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Add support for WIN64 exception handling to external unwinder.

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Modify unwinding to always return _ff or _c unwind type.
Generate PE object .pdata/.xdata sections for x64 interpreter.
Can drop r12-r15 saves in Windows/x64 interpreter now.
This commit is contained in:
Mike Pall
2010-01-05 22:39:46 +01:00
parent b3e3bad0ff
commit c31ac26fb9
5 changed files with 177 additions and 44 deletions
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21
src/lj_frame.h
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@@ -67,13 +67,13 @@ enum {
#define CFRAME_SIZE (12*4)
#elif LJ_TARGET_X64
#if _WIN64
#define CFRAME_OFS_PREV (17*8)
#define CFRAME_OFS_PC (33*4)
#define CFRAME_OFS_L (32*4)
#define CFRAME_OFS_ERRF (31*4)
#define CFRAME_OFS_NRES (30*4)
#define CFRAME_OFS_MULTRES (29*4)
#define CFRAME_SIZE (14*8)
#define CFRAME_OFS_PREV (13*8)
#define CFRAME_OFS_PC (25*4)
#define CFRAME_OFS_L (24*4)
#define CFRAME_OFS_ERRF (23*4)
#define CFRAME_OFS_NRES (22*4)
#define CFRAME_OFS_MULTRES (21*4)
#define CFRAME_SIZE (10*8)
#else
#define CFRAME_OFS_PREV (4*8)
#define CFRAME_OFS_PC (5*4)
@@ -88,8 +88,8 @@ enum {
#endif
#define CFRAME_RESUME 1
#define CFRAME_CANYIELD ((intptr_t)(CFRAME_RESUME))
#define CFRAME_RAWMASK (~CFRAME_CANYIELD)
#define CFRAME_UNWIND_FF 2 /* Only used in unwinder. */
#define CFRAME_RAWMASK (~(intptr_t)(CFRAME_RESUME|CFRAME_UNWIND_FF))
#define cframe_errfunc(cf) (*(int32_t *)(((char *)(cf))+CFRAME_OFS_ERRF))
#define cframe_nres(cf) (*(int32_t *)(((char *)(cf))+CFRAME_OFS_NRES))
@@ -101,7 +101,8 @@ enum {
(mref(*(MRef *)(((char *)(cf))+CFRAME_OFS_PC), const BCIns))
#define setcframe_pc(cf, pc) \
(setmref(*(MRef *)(((char *)(cf))+CFRAME_OFS_PC), (pc)))
#define cframe_canyield(cf) ((intptr_t)(cf) & CFRAME_CANYIELD)
#define cframe_canyield(cf) ((intptr_t)(cf) & CFRAME_RESUME)
#define cframe_unwind_ff(cf) ((intptr_t)(cf) & CFRAME_UNWIND_FF)
#define cframe_raw(cf) ((void *)((intptr_t)(cf) & CFRAME_RAWMASK))
#define cframe_Lpc(L) cframe_pc(cframe_raw(L->cframe))